In a data flow diagram, a square represents a source or destination of data outside the system.
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Q24: External entities are persons, places, or things
Q25: In a systems flowchart, two parallel lines
Q26: A systems flowchart is a graphical representation
Q27: Systems flowcharts portray business process activities, stores
Q28: In an enterprise system, we would have
Q30: Data flow diagrams (DFDs) portray a business
Q31: There can be only one correct logical
Q32: On a systems flowchart the start/stop symbol
Q33: Processes that handle other-than-normal situations are called
Q34: An acceptance stub is a data flow
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